#17537c
a dark, vivid blue · cool · closest name: steelblue
RGB
23, 83, 124
HSL
204°, 69%, 29%
CMYK
82, 33, 0, 51
Luminance
0.0782
Every format
| HEX | #17537c |
| RGB | rgb(23, 83, 124) |
| HSL | hsl(204, 69%, 29%) |
| CMYK | cmyk(82%, 33%, 0%, 51%) |
| LAB | lab(33.6 -3.4 -28.5) |
| LCH | lch(33.6 28.7 263.1) |
| OKLCH | oklch(0.426 0.090 243.5) |
Copy-ready code
/* CSS */
color: #17537c;
background-color: #17537c;
/* Tailwind (arbitrary) */
class="text-[#17537c] bg-[#17537c]"
/* SCSS */
$brand: #17537c;
/* SwiftUI */
Color(red: 0.090, green: 0.325, blue: 0.486)
/* Android */
Color.parseColor("#17537c")Accessibility — WCAG contrast
Aa
#17537c on white: 8.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#17537c on black: 2.56:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green32.5%
Blue48.6%
CMYK percentages
Cyan81.5%
Magenta33.1%
Yellow0.0%
Key (black)51.4%
Color previews
#17537c text on a black background
contrast 2.56:1
Card sample
#17537c text on a white background
contrast 8.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #17537c;
Background color
Panel with #17537c background
background-color: #17537c;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #17537c;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 83, 124, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 83, 124, 0.45);
Border & gradient
Gradient panel
border: 3px solid #17537c; background: linear-gradient(135deg, #17537c, #1E177C);